*{
	margin: 0;
	padding: 0;
	-moz-box-sizing: border-box;/*火狐浏览器*/
	-webkit-box-sizing:border-box ;/*webkit内核浏览器*/
	box-sizing: border-box;
}
ul li{
	list-style-type: none;
}
a,a:hover,a:active{
	text-decoration: none;
	color: #2b2b2b;
}
i{
	font-style: normal;
}
b{
	font-weight: bold;
}
input{
	outline: none;
}
img{
	border: none;
	vertical-align: top;
}

.content{
	width: 1100px;
	margin: 0 auto;
}
.fl{
	float: left;
}
.fr{
	float: right;
}
.cl{
	clear: both;
}
